bison: Fix building with glibc >= 2.28

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

lfs/bison

@@ -24,7 +24,7 @@
 
 include Config
 
-VER        = 3.0.4
+VER        = 3.0.5
 
 THISAPP    = bison-$(VER)
 DL_FILE    = $(THISAPP).tar.xz
@@ -45,7 +45,7 @@ objects =$(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_MD5 = c342201de104cc9ce0a21e0ad10d4021
+$(DL_FILE)_MD5 = 3e54f20988ecd1b62044e25481e5f06b
 
 install : $(TARGET)
 
@@ -75,6 +75,7 @@ $(subst %,%_MD5,$(objects)) :
 $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	@$(PREBUILD)
 	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
+	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/bison-3.0.5-gnulib-fseterr.patch
 	cd $(DIR_APP) && ./configure --prefix=$(PREFIX)
 	cd $(DIR_APP) && make $(MAKETUNING)
 	cd $(DIR_APP) && make install

src/patches/bison-3.0.5-gnulib-fseterr.patch

@@ -0,0 +1,19 @@
+commit 4af4a4a71827c0bc5e0ec67af23edef4f15cee8e
+Author: Paul Eggert <address@hidden>
+Date:   Mon Mar 5 10:56:29 2018 -0800
+
+    fflush: adjust to glibc 2.28 libio.h removal
+    (Only part of this commit was backported as needed.)
+
+diff -Nrup a/lib/fseterr.c b/lib/fseterr.c
+--- a/lib/fseterr.c	2018-05-08 06:02:48.000000000 -0400
++++ b/lib/fseterr.c	2018-08-14 16:06:19.636282264 -0400
+@@ -29,7 +29,7 @@ fseterr (FILE *fp)
+   /* Most systems provide FILE as a struct and the necessary bitmask in
+      <stdio.h>, because they need it for implementing getc() and putc() as
+      fast macros.  */
+-#if defined _IO_EOF_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1
++#if defined _IO_EOF_SEEN ||  __GNU_LIBRARY__ == 1
+   /* GNU libc, BeOS, Haiku, Linux libc5 */
+   fp->_flags |= _IO_ERR_SEEN;
+ #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__